Tools & Wizards About Us
zhuxue24.cn screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

zhuxue24.cn

一级建造师|二级建造师|建造师培训辅导网|建造师报名-筑学网校

Page Load Speed

10.1 sec in total

First Response

613 ms

Resources Loaded

9.1 sec

Page Rendered

402 ms

zhuxue24.cn screenshot

About Website

Visit zhuxue24.cn now to see the best up-to-date Zhuxue 24 content and also check out these interesting facts you probably never knew about zhuxue24.cn

筑学网校提供建筑类考试远程培训课程，名师主讲，品质保证，通过率高，签订协议二年不过退还费用！可免费试听;同时提供一级建造师培训,二级建造师培训、资质代办等服务,咨询电话:400-800-9158

Visit zhuxue24.cn

Key Findings

We analyzed Zhuxue24.cn page load time and found that the first response time was 613 ms and then it took 9.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

zhuxue24.cn performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.55

13/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

zhuxue24.cn

613 ms

www.zhuxue24.cn

1159 ms

style.css

1152 ms

jquery-1.10.2.min.js

1162 ms

global.js

398 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 96% of them (52 requests) were addressed to the original Zhuxue24.cn, 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Zhuxue24.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 378.1 kB (13%)

Content Size

3.0 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhuxue24.cn main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 25.9 kB

  • Original 32.7 kB
  • After minification 28.0 kB
  • After compression 6.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 4.7 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.9 kB or 79% of the original size.

Image Optimization

-9%

Potential reduce by 236.7 kB

  • Original 2.8 MB
  • After minification 2.5 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Zhuxue 24 images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 61.2 kB

  • Original 94.8 kB
  • After minification 94.3 kB
  • After compression 33.5 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 61.2 kB or 65% of the original size.

CSS Optimization

-80%

Potential reduce by 54.4 kB

  • Original 67.8 kB
  • After minification 58.3 kB
  • After compression 13.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Zhuxue24.cn needs all CSS files to be minified and compressed as it can save up to 54.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (6%)

Requests Now

52

After Optimization

49

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhuxue 24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zhuxue24.cn

zhuxue24.cn

613 ms

www.zhuxue24.cn

www.zhuxue24.cn

1159 ms

style.css

style.css

1152 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

1162 ms

global.js

global.js

398 ms

banner.js

banner.js

398 ms

icon-sep.png

icon-sep.png

206 ms

logo.jpg

logo.jpg

596 ms

banner-tag-hot-cn.png

banner-tag-hot-cn.png

194 ms

banner-tag-new-cn.png

banner-tag-new-cn.png

195 ms

icon-hamburg.png

icon-hamburg.png

599 ms

Circle_03.png

Circle_03.png

385 ms

Circle_05.png

Circle_05.png

771 ms

banner4.jpg

banner4.jpg

1740 ms

banner2.jpg

banner2.jpg

1639 ms

banner3.jpg

banner3.jpg

3072 ms

banner5.jpg

banner5.jpg

2380 ms

banner1.jpg

banner1.jpg

1997 ms

37c4097878abe15e5fbf753ae1e44a22.png

37c4097878abe15e5fbf753ae1e44a22.png

1348 ms

317754867.jpg

317754867.jpg

2311 ms

icon-card-play.png

icon-card-play.png

1844 ms

gk_user.gif

gk_user.gif

1935 ms

678958790.jpg

678958790.jpg

2662 ms

679780182.jpg

679780182.jpg

3287 ms

518769514.jpg

518769514.jpg

3038 ms

651327329.jpg

651327329.jpg

3274 ms

646033151.jpg

646033151.jpg

4361 ms

645846069.jpg

645846069.jpg

3482 ms

645431401.jpg

645431401.jpg

3944 ms

679077141.jpg

679077141.jpg

4413 ms

679476667.jpg

679476667.jpg

3659 ms

680122743.jpg

680122743.jpg

4447 ms

teacher_tt.jpg

teacher_tt.jpg

3687 ms

436934120.jpg

436934120.jpg

3852 ms

440109776.jpg

440109776.jpg

4097 ms

442028888.jpg

442028888.jpg

4046 ms

443048478.jpg

443048478.jpg

4344 ms

444087220.jpg

444087220.jpg

4239 ms

youshi.jpg

youshi.jpg

4302 ms

qq88.jpg

qq88.jpg

4431 ms

ifeng000.jpg

ifeng000.jpg

4507 ms

tencent1.jpg

tencent1.jpg

4462 ms

iqiyi000.jpg

iqiyi000.jpg

4369 ms

tudou000.jpg

tudou000.jpg

4415 ms

wangyi00.jpg

wangyi00.jpg

4425 ms

sina-edu.jpg

sina-edu.jpg

4259 ms

youku000.jpg

youku000.jpg

4123 ms

xyzx0000.jpg

xyzx0000.jpg

4149 ms

foot_tel.png

foot_tel.png

3990 ms

hm.js

hm.js

1183 ms

weixin_220x220.png

weixin_220x220.png

5180 ms

icons40x40.png

icons40x40.png

3375 ms

beian.png

beian.png

3290 ms

hm.gif

hm.gif

303 ms

Accessibility Review

zhuxue24.cn accessibility score

45

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zhuxue24.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zhuxue24.cn SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhuxue24.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zhuxue24.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

zhuxue24.cn

Open Graph description is not detected on the main page of Zhuxue 24. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: